EP0011153A1 - Procédé pour la transmission d'informations entre dispositifs d'un système de commutation à commande indirecte, en particulier système de commutation téléphonique - Google Patents

Procédé pour la transmission d'informations entre dispositifs d'un système de commutation à commande indirecte, en particulier système de commutation téléphonique Download PDF

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Publication number
EP0011153A1
EP0011153A1 EP79104065A EP79104065A EP0011153A1 EP 0011153 A1 EP0011153 A1 EP 0011153A1 EP 79104065 A EP79104065 A EP 79104065A EP 79104065 A EP79104065 A EP 79104065A EP 0011153 A1 EP0011153 A1 EP 0011153A1
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EP
European Patent Office
Prior art keywords
information
buffer memory
bytes
byte
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP79104065A
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German (de)
English (en)
Other versions
EP0011153B1 (fr
Inventor
Helmut Dipl.-Ing. Müller
Hans-Peter Dr.-Ing. Von Ow
Thomas Dipl.-Ing. Rambold
Bernhard Dipl.-Ing. Werres
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT79104065T priority Critical patent/ATE5558T1/de
Publication of EP0011153A1 publication Critical patent/EP0011153A1/fr
Application granted granted Critical
Publication of EP0011153B1 publication Critical patent/EP0011153B1/fr
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Definitions

  • the invention thus relates to a method for transmitting information between devices of an indirectly controlled switching system via time multiples plex channels with repeated repetition of the information.
  • the method is particularly applicable to a telephone exchange which is equipped with time channel couplers.
  • this method is characterized in that in the sending device the information to be transmitted and consisting of several bytes each, with the addition of a number byte supplied by an information counter and numbering the respective information, is first entered byte by byte into memory cells of a buffer memory which are cyclically cycled Operation passes the information byte by byte, that new information is entered at any transfer interval, that in the receiving device the bytes belonging to new information are each recorded once by a corresponding buffer memory and that new information is only delivered from there after completion of a full recording cycle for further processing will.
  • the switching system shown in FIG. 1 includes the system parts LTG1, LTG2 and LTG3, to which on the one hand the subscriber stations T1 ... Ty and on the other hand the central control unit CP are connected via control lines z. The various parts of the system are still connected to each other via the intermediate lines z12, z13 and z23.
  • Each plant section has its own decentralized control unit.
  • the LTG1 system section has the decentralized control unit GP1.
  • the TSU time-channel coupler which is equipped with the SESC coupler control, also belongs to this part of the system.
  • the SESC coupler control receives setting commands from the decentralized control unit GP1.
  • the subscriber station T1 is connected to the time channel coupler TSU in the system part LTG1 via the subscriber line circuit t1.
  • control unit GP1 can also exchange control information with the control unit GP1 via the associated information buffer SBU, with the aid of which an annoying time constraint is avoided.
  • This control unit also includes the control unit SSP, the processing unit PU, the main memory MU and the input / output control IOP, to which the background memory FD and the operating device SP are also connected.
  • the remote data transmission connection DF is also provided there, via which control data can optionally be exchanged with other exchanges.
  • the system parts LTG1, LTG2 and LTG3 shown in FIG. 1 are connected in all combinations via the intermediate lines z12, z13 and z23, via which the time channels are routed.
  • the associated decentralized control units such as the control unit GP1, are connected to the correspondingly constructed central control unit CP.
  • This central control unit is involved in the establishment and dismantling of connection paths that lead over at least two of the system parts LTG1, LTG2 and LTG3.
  • the central control unit CP also causes the other control units to be used for the establishment and removal of connection paths, for which purpose control information is exchanged between these control units.
  • the central control unit CP includes the information buffer SBUz, the control unit SSPz, the processing unit PUz, the memory MUz and the input / output controller IOPz, to which the background memory FDz and the operating device SPz are connected.
  • the information buffer with the devices EP1 and SP1 is connected to the control unit P1, in addition to that the comparator V1 belongs.
  • the information buffer with the devices EP2 and SP2 is connected to the control unit P2, to which the comparator V2 belongs.
  • the central or a decentralized control unit of the switching system shown in FIG. 1 can be used as control units.
  • the line K connecting the control units mentioned is used in time-division multiplexing, multiplexers, which belong to the sending and receiving devices and to which this line K is connected, are involved here.
  • the line K is connected to the multiplexer M1 in the sending device SP1 and to the multiplexer M2 in the receiving device EP2.
  • the bytes belonging to information are each stored in a memory location in the buffer memory B11 ... B1x of the sending device SP1. This includes the memory locations B11, B12 ... B1X.
  • storage space B11 First there are the synchronization byte s11, the acknowledgment byte q11, the numbering byte n11, the length byte 111, furthermore several unidentified bytes indicating the remaining content of the message and finally the check byte w11. Each byte is in its own memory cell in this memory location.
  • the multiplexers M1 and M2 are operated synchronously. For this purpose, they are each connected to the associated address counter, that is to say the multiplexer M1 with the address counter C1 and the multiplexer M2 with the address counter C2 of the received device EP2.
  • the synchronism is also ensured with the help of the synchronization characters s11 etc. The result of this is that the information contained in a memory cell of a memory location of the buffer memory B11 ... B1x each arrive in the corresponding memory cell of the corresponding memory location of the buffer memory B21 ... B2x of the receiving device EP2.
  • the bytes which are supplied by the multiplexers of other devices, which are not shown here, can be transmitted via time multiplier channels, which are interleaved in time between the time multiplex channels shared for the devices SP1 and EP2.
  • the regular cyclical operation of buffer memories is used for the byte-by-byte transfer of information, which in turn is initially stored in bytes cher cells of a buffer memory have been entered. This regular cyclical operation is also carried out when information is transmitted in which the number of associated bytes is less than the maximum number, which depends on the number of memory cells belonging to a memory location.
  • Received acknowledgment bytes are also fed to the comparator V1. In the comparison, it may then be found that the transmission of the information provided with the number byte taken into account in the comparison has ended correctly.
  • the comparator V2 is provided in the control unit P2 and is used in a corresponding manner.
  • the device in question can also evaluate the receipt of an acknowledgment byte as a signal that the time-division multiplex channel used for the transmission of the acknowledged information has become free for the transmission of further information.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
EP79104065A 1978-11-14 1979-10-19 Procédé pour la transmission d'informations entre dispositifs d'un système de commutation à commande indirecte, en particulier système de commutation téléphonique Expired EP0011153B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79104065T ATE5558T1 (de) 1978-11-14 1979-10-19 Verfahren zur uebertragung von informationen zwischen einrichtungen einer indirekt gesteuerten vermittlungsanlage, insbesondere fernsprechvermittlungsanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2849371 1978-11-14
DE19782849371 DE2849371A1 (de) 1978-11-14 1978-11-14 Verfahren zur uebertragung von informationen zwischen einrichtungen einer indirekt gesteuerten vermittlungsanlage, insbesondere fernsprechvermittlungsanlage

Publications (2)

Publication Number Publication Date
EP0011153A1 true EP0011153A1 (fr) 1980-05-28
EP0011153B1 EP0011153B1 (fr) 1983-12-07

Family

ID=6054644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79104065A Expired EP0011153B1 (fr) 1978-11-14 1979-10-19 Procédé pour la transmission d'informations entre dispositifs d'un système de commutation à commande indirecte, en particulier système de commutation téléphonique

Country Status (6)

Country Link
US (1) US4309765A (fr)
EP (1) EP0011153B1 (fr)
JP (1) JPS5567290A (fr)
AT (1) ATE5558T1 (fr)
DE (2) DE2849371A1 (fr)
ZA (1) ZA796105B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484324A (en) * 1982-08-23 1984-11-20 At&T Bell Laboratories Control information communication arrangement for a time division switching system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607364A (en) * 1983-11-08 1986-08-19 Jeffrey Neumann Multimode data communication system
US4564937A (en) * 1983-12-22 1986-01-14 Gte Automatic Electric Incorporated Remote data link address sequencer and a memory arrangement for accessing and storing digital data
US5293381A (en) * 1992-03-27 1994-03-08 Advanced Micro Devices Byte tracking system and method
JP4724928B2 (ja) * 2001-02-27 2011-07-13 ソニー株式会社 無線伝送装置及び無線伝送方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298915A2 (fr) * 1975-01-22 1976-08-20 Cit Alcatel Systeme d'articulation et de gestion pour central de telecommunications
DE2526115A1 (de) * 1975-06-11 1976-12-16 Siemens Ag Verfahren und anordnung zum datenaustausch zwischen einer zentralen funktionseinheit und dezentralen funktionseinheiten einer im zeitmultiplexbetrieb arbeitenden nachrichtenverarbeitungsanlage
DE2748580A1 (de) * 1976-10-29 1978-05-11 Sits Soc It Telecom Siemens Schnittstelle fuer den datenaustausch zwischen einer datenverarbeitungsanlage und einer peripheren einheit
FR2371841A1 (fr) * 1976-10-21 1978-06-16 Wescom Switching Dispositif de commande a microprocesseurs pour autocommutateur telephonique
EP0006132A1 (fr) * 1978-06-14 1980-01-09 Siemens Aktiengesellschaft Système de commutation à commande indirecte avec joncteurs à division temporelle couplés à travers des étages de commutation temporelle, en particulier système de commutation téléphonique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1213008B (de) * 1962-08-13 1966-03-24 Siemens Ag Schaltungsanordnung zum Abfragen von Abschlussschaltungen in Vermittlungssystemen
NL137733C (fr) * 1963-12-31
US3740482A (en) * 1968-05-22 1973-06-19 Telefonbau & Normalzeit Gmbh Time division multiplex telephone system with parallel transmission
US4016548A (en) * 1975-04-11 1977-04-05 Sperry Rand Corporation Communication multiplexer module
US4110830A (en) * 1977-07-05 1978-08-29 International Business Machines Corporation Channel storage adapter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298915A2 (fr) * 1975-01-22 1976-08-20 Cit Alcatel Systeme d'articulation et de gestion pour central de telecommunications
DE2526115A1 (de) * 1975-06-11 1976-12-16 Siemens Ag Verfahren und anordnung zum datenaustausch zwischen einer zentralen funktionseinheit und dezentralen funktionseinheiten einer im zeitmultiplexbetrieb arbeitenden nachrichtenverarbeitungsanlage
FR2371841A1 (fr) * 1976-10-21 1978-06-16 Wescom Switching Dispositif de commande a microprocesseurs pour autocommutateur telephonique
DE2748580A1 (de) * 1976-10-29 1978-05-11 Sits Soc It Telecom Siemens Schnittstelle fuer den datenaustausch zwischen einer datenverarbeitungsanlage und einer peripheren einheit
EP0006132A1 (fr) * 1978-06-14 1980-01-09 Siemens Aktiengesellschaft Système de commutation à commande indirecte avec joncteurs à division temporelle couplés à travers des étages de commutation temporelle, en particulier système de commutation téléphonique

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
1978 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, Band 2, 4-7 Juni 1978, Toronto, CA, CESARATTO et al.: "DMS-200 control structure", Seiten 32.2.1 bis 32.2.5 * Seite 32.2.1, linke Spalte, Zeile 1 bis rechte Spalte, Zeile 26; Seite 32.2.3, rechte Spalte Zeile 10 bis Seite 32.2.4, rechte Spalte, Zeile 29 * *
INTERNATIONAL SWITCHING SYNPOSIUM 25-29 Oktober 1976, Kyoto, JP, SKAPERDA: "Generic digital switching system", Seiten 233.4.1 bis 223.4.8 * Seite 223.4.3, linke Spalte, Zeile 31 bis rechte Spalte, Zeile 34; Seite 223.4.5, Absatz 2.3 * *
PROCEEDINGS OF THE IEEE, Band 65, Nr. 9, September 1977, New York, US, ROSS et al.: "Design approaches and performance criteria for integrated voice/data switching", Seiten 1283 bis 1295 * Seite 1290, rechte Spalte, Zeile 7 bis Seite 1292, rechte Spalte, Zeile 16 * *
TELCOM REPORT, Band 2, Heft 3, Juni 1979, Berlin, DE, SUCKFULL: "Architektur einer neuen Linie digitaler offentlicher Fernsprechvermittlungen", Seiten 174 bis 183 * Seite 178, linke Spalte, Zeile 25 bis Seite 179, linke Spalte, letzte Zeile * *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484324A (en) * 1982-08-23 1984-11-20 At&T Bell Laboratories Control information communication arrangement for a time division switching system

Also Published As

Publication number Publication date
DE2966469D1 (en) 1984-01-12
ATE5558T1 (de) 1983-12-15
ZA796105B (en) 1980-10-29
JPS5567290A (en) 1980-05-21
EP0011153B1 (fr) 1983-12-07
DE2849371A1 (de) 1980-05-29
US4309765A (en) 1982-01-05

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